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Wood Flame Retardant Classification... (1) Basic chemical properties (inorganic, organic, etc.)(2) The flame-retardant elements or the combination of flame-retardant elements (phosphorus, nitrogen, halogen, etc.)(3) The method of adding flame retardant to the material (additive type, reactive type)(4) Compound type (acid, alkali, ether, ester, oxide, hydroxide, salt, etc.)(5) Mechanism of action (physical or chemical…
The Development Trend Of Wood Flame Retardant 1) In view of the development of science and technology, in a long period of time, the phosphorus-nitrogen-boron water-based flame retardant system will still be the mainstream of wood flame retardants. Future work is mainly to further improve the resistance to loss and migration. And reduce costs.2) With the progress of society, people's performance requirements for materials a…
PVC injection molding plastic resin -3 PVC injection molded productThe backpressure should be kept at about 1Mpa, because excessively high backpressure will produce excessive shear force, which will cause the PVC to decompose. At the same time, the multi-stage backpressure control should be adopted in the melting process. In the beginning when the effective length of the screw is long, the backpressure should be kept…
Features Of Wood Flame Retardant 1: High flame retardant effect, which can prevent flame burning and suppress smoldering (flameless burning, red hot burning);2: The flame retardant itself is non-toxic and does not pollute the environment during production and use. The pyrolysis products of flame-retardant wood should have less smoke, low toxicity, non-irritating and non-corrosive;3: Long-lasting flame retardant…
PVC injection molding plastic resin -2 1.Pay attention to the following points during product design and mold design:Try to avoid sharp corners or abrupt changes in the product, and the thickness should not change too much, so as to prevent the PVC from degrading.
PVC injection molding plastic resin -1 PVC plastic is a heat-sensitive material that features a poor injection moldability, for which the reason is that an excessively high melt temperature or an excessively long heating time easily causes PVC decomposition. Therefore, the key to molding the PVC products lies in the control of the melting temperature.PVC injection molding plastic resinThe heat sources for melting the…
Characteristics Of Flame Retardant Masterbatch 1. Easy to use: flame retardant masterbatch (masterbatch) is mostly tablet-like or strip-like tablet-sized particles, which are exactly the same size as general plastic particles, which improves the compatibility between them, makes it easier to disperse and add, and is hygienic And reduce volatile waste.2. Good compatibility with resin: In general, the flame retardant masterbat…
Classification Of Flame Retardant Masterbatch Due to the advantages of flame retardant masterbatch (masterbatch) used in plastics in flame retardant efficiency, environmental protection, improved production efficiency, convenience, etc., it has become an effective substitute for traditional flame retardants and has been widely used in plastic manufacturing. Pelletizing, extrusion, injection molding, etc. The flame-retardant…
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